Home / 124,143.08-171,304.42-70,410.92

Finding the Fourth Proportional to 124,143.08, 171,304.42 and 70,410.92

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Solution

The fourth proportional to 124,143.08, 171,304.42 and 70,410.92 is: 97,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,143.08 : 171,304.42 = 70,410.92 : x
  2. Step 2: Convert to fraction form
    124,143.08/171,304.42 = 70,410.92/x
  3. Step 3: Cross multiply
    124,143.08x = 171,304.42 × 70,410.92
  4. Step 4: Simplify right side
    124,143.08x = 12,061,701,812.27
  5. Step 5: Solve for x
    x = 12,061,701,812.27/124,143.08
  6. Step 6: Final answer
    x = 97,159.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.